<em>import React from 'react'</em>;
<em>const</em> <q>Tree</q> = ({ <s>data</s>, <s>layer</s> }) => {
	<em>const</em> <s>index</s> = <em>isNaN(<s>layer</s>) ? 0 : <s>layer</s></em>
	return (
		&lt;<i>ul</i> <em>layer</em>={ <s>index</s> }/&gt;
			{
				<em>{}.toString.call(<s>data</s>) === '[object Array]' && <s>data</s>.map(( v, i )</em> => (
					&lt;<i>li</i> <em>key={ i } style={ <s>index</s> === 0 ? { } : { <u>marginLeft:'2em'</u>} }</em>&gt;
						<em>&lt;h2&gt;{v.<u class='g0'>label</u>}&lt;/h2&gt;</em>
						<em>&lt;<q>Tree</q> <s>data</s>={ v.<u class='g0'>children</u> } layer={ <s>index+1</s> }/&gt;</em>
					&lt;/<i>li</i> &gt;
				))
			}
		&lt;/<i>ul</i> &gt;
	)
}
<em>export default</em>  <q>Tree</q>